(()=>{
  'use strict';
  if(window.CateriumBranding)return;
  const NAME_KEY='sunPdfBrandNameV1',LOGO_KEY='sunPdfBrandLogoV1';
  const PIXEL='data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQIHWP4z8DwHwAFgAI/ScLbtAAAAABJRU5ErkJggg==';
  const esc=value=>String(value??'').replace(/[&<>"']/g,c=>({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[c]));
  const read=key=>{try{return localStorage.getItem(key)||''}catch(_){return ''}};
  const object=key=>{try{const v=JSON.parse(read(key)||'{}');return v&&typeof v==='object'&&!Array.isArray(v)?v:{}}catch(_){return {}}};
  const safeLogo=src=>/^data:image\/(?:png|jpeg|webp);base64,[a-z0-9+/=\s]+$/i.test(String(src||''))&&String(src).length<=2000000?String(src):'';
  const clean=value=>String(value||'').trim().slice(0,160);
  function identity(){
    const profile=object('sunCompanyProfileV1');
    const storedName=read(NAME_KEY);
    // An explicitly cleared logo must not reappear from an older profile.
    let hasLogo=false;try{hasLogo=localStorage.getItem(LOGO_KEY)!==null}catch(_){}
    return {
      name:clean(storedName||profile.shortName||profile.name)||'Моя компания',
      logo:safeLogo(hasLogo?read(LOGO_KEY):profile.logo),
      city:clean(profile.city),
      contacts:[profile.phone,profile.email,profile.website].map(clean).filter(Boolean).join(' · ')
    };
  }
  function changed(){window.dispatchEvent(new CustomEvent('caterium:document-brand-changed'));}
  function saveName(value){localStorage.setItem(NAME_KEY,clean(value));changed();}
  function clearLogo(){localStorage.setItem(LOGO_KEY,'');changed();}
  async function saveLogo(file){
    const scope=()=>JSON.stringify([window.SunCloudV2?.getSession?.()?.user?.id,window.SunCloudV2?.getWorkspace?.()?.id]);
    const startedIn=scope();
    if(!file||!/^image\/(?:png|jpeg|webp)$/i.test(file.type))throw new Error('Выберите PNG, JPEG или WebP.');
    if(file.size>15*1024*1024)throw new Error('Логотип должен быть меньше 15 МБ.');
    const src=await new Promise((resolve,reject)=>{const reader=new FileReader();reader.onload=()=>resolve(String(reader.result));reader.onerror=()=>reject(new Error('Не удалось прочитать файл.'));reader.readAsDataURL(file)});
    const logo=await new Promise((resolve,reject)=>{const img=new Image();img.onload=()=>resolve(img);img.onerror=()=>reject(new Error('Не удалось открыть изображение.'));img.src=src});
    const scale=Math.min(1,1000/Math.max(logo.naturalWidth,logo.naturalHeight));
    const canvas=document.createElement('canvas');canvas.width=Math.max(1,Math.round(logo.naturalWidth*scale));canvas.height=Math.max(1,Math.round(logo.naturalHeight*scale));
    // Preserve transparency for both light and dark document templates.
    canvas.getContext('2d').drawImage(logo,0,0,canvas.width,canvas.height);
    const data=canvas.toDataURL('image/png');
    if(!safeLogo(data))throw new Error('Изображение слишком сложное. Выберите логотип меньшего размера.');
    if(startedIn!==scope())throw new Error('Аккаунт или компания изменились. Загрузите логотип ещё раз.');
    localStorage.setItem(LOGO_KEY,data);changed();return data;
  }
  const documentName=()=>identity().name;
  const documentLogo=()=>identity().logo;
  const documentImage=()=>documentLogo()||PIXEL;
  const documentContacts=()=>identity().contacts;
  const documentCity=()=>identity().city;
  function snapshot(value){const brand=identity();return {...value,brandName:brand.name,logo:brand.logo,brandContacts:brand.contacts,brandCity:brand.city};}

  let sidebar={name:'Caterium',logo:'caterium-mark-light.svg',special:false};
  let request=0,checkedUser='',pendingUser='';
  function sidebarHTML(){return `<img class="real-logo${sidebar.special?'':' caterium-product-mark'}" src="${esc(sidebar.logo)}" alt="${esc(sidebar.name)}"><span>${esc(sidebar.name)}</span>`;}
  function renderSidebar(){
    const node=document.querySelector('body > header .brand');if(!node)return;
    const html=sidebarHTML();if(node.innerHTML!==html)node.innerHTML=html;
    node.dataset.cateriumBrand=sidebar.special?'solnce':'caterium';
  }
  function resetSidebar(){request++;checkedUser='';pendingUser='';sidebar={name:'Caterium',logo:'caterium-mark-light.svg',special:false};renderSidebar();}
  async function refreshSidebar(){
    const cloud=window.SunCloudV2,session=cloud?.getSession?.(),uid=session?.user?.id||'';
    if(!uid){resetSidebar();return;}
    if(checkedUser===uid||pendingUser===uid){renderSidebar();return;}
    resetSidebar();pendingUser=uid;const current=request;
    try{
      const result=await cloud.getClient()?.rpc('caterium_my_sidebar_brand');
      if(current!==request||window.SunCloudV2?.getSession?.()?.user?.id!==uid)return;
      if(result?.error||!result?.data)return;
      if(result.data.variant==='solnce')sidebar={name:'Солнце Кейтеринг',logo:'sun-logo.png',special:true};
      checkedUser=uid;renderSidebar();
    }catch(_){/* Until identity is confirmed, show the shared product brand. */}
    finally{if(current===request)pendingUser='';}
  }
  function boot(){
    const style=document.createElement('style');style.id='caterium-company-branding-style';
    style.textContent='body > header .brand .caterium-product-mark{background:#fff7e6;border-radius:14px;padding:6px;filter:none!important}';document.head.appendChild(style);
    renderSidebar();refreshSidebar();
  }
  window.CateriumBranding=Object.freeze({identity,documentName,documentLogo,documentImage,documentContacts,documentCity,
    nameHTML:()=>esc(documentName()),logoHTML:()=>esc(documentImage()),contactsHTML:()=>esc(documentContacts()),cityHTML:()=>esc(documentCity()),
    escapeHTML:esc,snapshot,saveName,saveLogo,clearLogo,sidebarHTML,renderSidebar,refreshSidebar,resetSidebar});
  for(const event of ['sun:cloud-state-applied','sun:cloud-permissions-changed','suncloudsync'])window.addEventListener(event,()=>{refreshSidebar();changed()});
  window.addEventListener('storage',event=>{if([NAME_KEY,LOGO_KEY,'sunCompanyProfileV1'].includes(event.key))changed();if(/^sb-.*-auth-token$/.test(event.key||''))resetSidebar()});
  if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',boot,{once:true});else boot();
})();